Detachable Aluminum + Carbon Element Case Cover for iPhone 4(Black) Features: In Element Case™ style, the graphics are laser engraved The inside of the Vapor case is lined with a very high-tech shock absorbing material that reduces the G-forces of an impact Rugged, Lightweight and versatile design CNC machined from a solid block of aircraft grade aluminum Accepts larger aftermarket power and headphone cables Aerospace polymer RF insert prevents "death grip" signal lose Package includes: 2 x small screws 1 x screwdriver 1 x specification 1 x element case cover for iPhone 4